article: Some women are talking about the problems of getting old.
  One woman says, " Sometimes I stand in front of the bag with an egg. But I can't remember _ I need to put it in or get it out to make bread."
  "Yes, I have the same problem," the second woman says. "Sometimes I stand on the stairs . But I can't remember whether I am going on my way up or down."
  "Well, I don't have that problem," the last woman says, keeping knocking  on the table.
  The other two women ask, "Why are you knocking on the table?"
  "Sorry, I ?don't know. Someone is knocking at the door ,isn't
  It? Let me see who it is," the last woman says.
question: Whose problem is the most serious   in the story?
options: The first woman. The second woman. The third woman. The fourth woman.